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Anatomy and physiology 1 > Muscles - Lab Exam 3 > Flashcards

Muscles - Lab Exam 3 Flashcards

1
Q

Orbicularis Oris

A

Action: purses lips

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2
Q

Zygomaticus Major

A

Origin: Zygomatic bone
Insertion: Orbicularis oris
Action: Smile

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3
Q

Frontalis

A

Action: Raising Eyebrows

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4
Q

Orbicularis Oculi

A

Action: closes eye

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5
Q

Masseter

A

Origin: zygomatic arch
Insertion: angle of mandible
action: elevate mandible

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6
Q

Temporalis

A

Origin: temporal bone
Insertion: coronoid process of mandible
Action: elevates mandible

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7
Q

Sternocleidomastoid

A

Origin: manubrium, sternal end of clavicle
Insertion: mastoid process
Action: contralateral rotation of the head

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8
Q

Anterior Scalene

A

Action: Elevates 1st rib

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9
Q

Middle Scalene

A

Action: elevates 1st rib

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10
Q

Pectoralis major

A

Origin: sternum
Insertion: deltoid tuberosity
Action: flex and medially rotates shoulder

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11
Q

Pectoralis minor

A

Insertion: coracoid process of scapula
Action: protracts scapula

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12
Q

Trapezius

A

Origin: Spinous process of thoracic spine
Insertion: clavicle, acromion, spine of scapula
Action: elevate, retract, depress scapula

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13
Q

Latissimus dorsi

A

Insertion: intertubercular groove of humerus
Action: adducts arm

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14
Q

Erector spinae group

A

origin: sacrum, spinous process of lumbar vertebrae
Insertion: spinous process T1 - T2
Action: extends spine

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15
Q

Deltoid

A

Origin: acromial end of clavicle, acromion and spine of scapula
Insertion: deltoid tuberosity
Action: flex, extend, abduct arm

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16
Q

Supraspinatus

A

Origin: Supraspinous fossa

insertion: greater tubercle of humerus

Action: abducts arm

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17
Q

Infraspinatus

A

Origin: infraspinous fossa

Insertion: greater tubercle of humerus

Action: lateral rotation of arm

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18
Q

Teres minor

A

Origin: lateral border

Insertion: greater tubercle of humerus

Action: external rotation of arm

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19
Q

Teres major

A

origin: lateral border of scapula

Insertion: intertubercular groove of humerus

Action: extend, adduct, internal rotation of arm

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20
Q

Subscapularis

A

Origin: subscapular fossa

Insertion: lesser tubercle of humerus

Action: internal rotation, adduction of arm

21
Q

Biceps Brachii

A

Origin: coracoid process of scapula

Insertion: radial tuberosity

Action: supination of forearm

22
Q

Brachialis

A

Origin: distal humerus

Insertion: coronoid process of ulna

Action: elbow flexion

23
Q

Triceps Brachii

A

Origin: posterior humerus

Insertion: olecranon process of humerus

Action: elbow extension

24
Q

Forearm flexors

anterior group of muscles

A

Origin: medial epicondyle of the humerus

Insertion: lateral radius, carpals

Action: pronation of forearm, abduction of hand, flexes wrist

25
Q

Forearms extensor

posterior group of muscles

A

Origin: lateral epicondyle of humerus

Insertion: metacarpals, carpals

Action: abduct and extends hand

26
Q

Rectus abdominis

A

Origin: crest of pubis

Action: flexes abdomen

27
Q

External oblique

A

Origin: ribs 5 - 12

Insertion: linea alba, inguinal ligament

Action: laterally compresses abdomen

28
Q

Quadratus lumborum

A

origin: posterior border of iliac crest
insertion: rib 12, transverse process of lumbar vertebrae 1 - 4

Action: extension of spine

29
Q

Psoas major

A

Insertion: lesser trochanter of femur

Action: flexion of the hip

30
Q

Iliacus

A

Origin: iliac fossa

Insertion: lesser trochanter of femur

Action: flexes and medially rotates hip

31
Q

Tensor fasciae latae

A

Origin: anterior superior iliac spine

Insertion: lateral knee, via iliotibial tract/band

Action: hip abduction, medial rotation

32
Q

Gluteus maximus

A

Origin: posterior ilium

Insertion: gluteal tuberosity of femur

Action: extends hip and thigh

33
Q

Piriformis

A

Origin: Sacrum

Insertion: greater trochanter

Action: lateral rotation of thigh

34
Q

Biceps femoris

A

Origin: ischial tuberosity and linea aspera

Insertion: proximal fibula

Action: flex knee

35
Q

Semitendinosus

A

Origin: ischial tuberosity

Insertion: proximal tibia

Action: flex knee

36
Q

Semimembranosus

A

Origin: ischial tuberosity

Insertion: medial tibia

Action: flex knee

37
Q

Rectus femoris

A

Origin: Anterior inferior iliac spine

Insertion: patella

Action: extend knee

38
Q

Vastus lateralis

A

Origin: Greater trochanter, linea aspera

Insertion: patella

Action: extend knee

39
Q

Vastus medialis

A

Origin: linea aspera

Insertion: patella

Action: extend knee

40
Q

Vastus interemedius

A

Origin: anterior femur

Insertion: patella

Action: extend knee

41
Q

Sartorius

A

Origin: Anterior superior iliac spine

Insertion: medial tibia

Action: flex, lateral rotation of thigh

42
Q

Adductor Magnus

A

Origin: inferior ramus of pubis, ischial tuberosity

Insertion: linea aspera

Action: adduct thigh

43
Q

Gastrocnemius

A

Origin: medial and lateral epicondyle of femur

Insertion: calcaneus

Action: Plantar flex foot

44
Q

Soleus

A

Origin: Posterior tibia and fibula

Insertion: Calcaneus

Action: Plantar flex foot

45
Q

Tibialis posterior

A

Origin: posterior tibia and fibula

Insertion: metatarsals 2-5, calcaneus

Action: inversion of foot

46
Q

Fibularis longus

A

Origin: shaft of fibula

Insertion: metatarsal 1

Action: eversion of foot

47
Q

Tibialis anterior

A

Origin: anterior tibia

Insertion: metatarsal 1

Action: dorsiflexion of foot

48
Q

Flexor digitorum brevis

A

Origin: calcaneus. via plantar aponeurosis

Insertion: middle phalanx of digits 2 - 5

Action: flexes digits 2 - 5

Anatomy and physiology 1 (8 decks)

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